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प्रश्न
Name the plant organ which is positively hydrotropic.
उत्तर
Roots
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संबंधित प्रश्न
Give the scientific terms used to represent the Growth of a pollen tube towards ovule.
What does a stem (or shoot) do in response to gravity? What is this phenomenon known as?
Give one example of a plant part which is positively phototropic but negatively geotropic.
A potted plant is kept horizontally for a considerable time. The three positions of the parts A and B of the potted plant are shown in the following figures:
- Which figure shows the correct position taken by the parts A and B of the plant?
- What type of phenomenon is exhibited by the figure chosen in (a) above?
Which of the following is not caused by a growth movement?
Which of the following acts as a stimulus in the process of hydrotropism?
(a) hydrocarbon
(b) hydrogen oxide
(c) hydrogen chloride
(d) hydrogen peroxide
A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of ______.
The leaves of Mimosa are sensitive to ____________.
Thigmonasty can be seen in ______.
Name the following:
The tropic movement of plant parts in response to chemicals.
